linka-cloud/grpc-toolkit
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add metrics, tracing, validation interceptors, add options: WithInterceptors, With{Client,Server}Interceptors

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This commit is contained in:
Adphi
2021-11-21 14:58:49 +01:00
parent 9ae20eab1e
commit dc78a2c688
15 changed files with 401 additions and 41 deletions
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10
example/example.go
View File

@ -14,6 +14,8 @@ import (
"github.com/sirupsen/logrus"
"go.linka.cloud/grpc/client"
metrics2 "go.linka.cloud/grpc/interceptors/metrics"
validation2 "go.linka.cloud/grpc/interceptors/validation"
"go.linka.cloud/grpc/logger"
"go.linka.cloud/grpc/registry/mdns"
"go.linka.cloud/grpc/service"
@ -32,6 +34,7 @@ func (g *GreeterHandler) SayHello(ctx context.Context, req *HelloRequest) (*Hell
}
func (g *GreeterHandler) SayHelloStream(req *HelloStreamRequest, s Greeter_SayHelloStreamServer) error {
for i := int64(0); i < req.Count; i++ {
if err := s.Send(&HelloReply{Message: fmt.Sprintf("Hello %s (%d)!", req.Name, i+1)}); err != nil {
return err
@ -64,6 +67,8 @@ func main() {
defer cancel()
var svc service.Service
var err error
metrics := metrics2.NewInterceptors()
validation := validation2.NewInterceptors(true)
address := "0.0.0.0:9991"
svc, err = service.New(
service.WithContext(ctx),
@ -88,6 +93,7 @@ func main() {
service.WithGRPCWeb(true),
service.WithGRPCWebPrefix("/grpc"),
service.WithMiddlewares(httpLogger),
service.WithInterceptors(validation, metrics),
)
if err != nil {
panic(err)
@ -115,6 +121,10 @@ func main() {
logrus.Fatal(err)
}
logrus.Infof("received message: %s", res.Message)
res, err = g.SayHello(context.Background(), &HelloRequest{})
if err == nil {
logrus.Fatal("expected validation error")
}
stream, err := g.SayHelloStream(context.Background(), &HelloStreamRequest{Name: "test", Count: 10})
if err != nil {
logrus.Fatal(err)

52
example/example.pb.go
View File

@ -10,6 +10,7 @@ import (
reflect "reflect"
sync "sync"
_ "github.com/envoyproxy/protoc-gen-validate/validate"
_ "google.golang.org/genproto/googleapis/api/annotations"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
@ -178,30 +179,33 @@ var file_example_example_proto_rawDesc = []byte{
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}
var (

22
example/example.pb.validate.go
View File

@ -46,7 +46,16 @@ func (m *HelloRequest) Validate(all bool) error {
var errors []error
// no validation rules for Name
if l := utf8.RuneCountInString(m.GetName()); l < 2 || l > 40 {
err := HelloRequestValidationError{
field: "Name",
reason: "value length must be between 2 and 40 runes, inclusive",
}
if !all {
return err
}
errors = append(errors, err)
}
if len(errors) > 0 {
return HelloRequestMultiError(errors)
@ -229,7 +238,16 @@ func (m *HelloStreamRequest) Validate(all bool) error {
var errors []error
// no validation rules for Name
if l := utf8.RuneCountInString(m.GetName()); l < 2 || l > 40 {
err := HelloStreamRequestValidationError{
field: "Name",
reason: "value length must be between 2 and 40 runes, inclusive",
}
if !all {
return err
}
errors = append(errors, err)
}
// no validation rules for Count

5
example/example.proto
View File

@ -5,6 +5,7 @@ package helloworld;
option go_package = "go.linka.cloud/grpc/example;main";
import "google/api/annotations.proto";
import "validate/validate.proto";
service Greeter {
rpc SayHello (HelloRequest) returns (HelloReply) {
@ -17,7 +18,7 @@ service Greeter {
}
message HelloRequest {
string name = 1;
string name = 1 [(validate.rules).string = {min_len: 2, max_len: 40}];
}
message HelloReply {
@ -25,6 +26,6 @@ message HelloReply {
}
message HelloStreamRequest {
string name = 1;
string name = 1 [(validate.rules).string = {min_len: 2, max_len: 40}];
int64 count = 2;
}